releasetools: Move BuildInfo into common.

There is no change to module functionalities. Testcases are moved around
accordingly.

Bug: 134525174
Test: TreeHugger
Test: lunch a target; atest --host releasetools_test releasetools_py3_test
Change-Id: I7bc8f49cc239e7c6655fe5e375508f01c1743b94
diff --git a/tools/releasetools/test_ota_from_target_files.py b/tools/releasetools/test_ota_from_target_files.py
index dd42822..c3021a1 100644
--- a/tools/releasetools/test_ota_from_target_files.py
+++ b/tools/releasetools/test_ota_from_target_files.py
@@ -22,7 +22,7 @@
 import common
 import test_utils
 from ota_from_target_files import (
-    _LoadOemDicts, AbOtaPropertyFiles, BuildInfo, FinalizeMetadata,
+    _LoadOemDicts, AbOtaPropertyFiles, FinalizeMetadata,
     GetPackageMetadata, GetTargetFilesZipForSecondaryImages,
     GetTargetFilesZipWithoutPostinstallConfig, NonAbOtaPropertyFiles,
     Payload, PayloadSigner, POSTINSTALL_CONFIG, PropertyFiles,
@@ -74,262 +74,6 @@
   return target_files
 
 
-class BuildInfoTest(test_utils.ReleaseToolsTestCase):
-
-  TEST_INFO_DICT = {
-      'build.prop' : {
-          'ro.product.device' : 'product-device',
-          'ro.product.name' : 'product-name',
-          'ro.build.fingerprint' : 'build-fingerprint',
-          'ro.build.foo' : 'build-foo',
-      },
-      'vendor.build.prop' : {
-          'ro.vendor.build.fingerprint' : 'vendor-build-fingerprint',
-      },
-      'property1' : 'value1',
-      'property2' : 4096,
-  }
-
-  TEST_INFO_DICT_USES_OEM_PROPS = {
-      'build.prop' : {
-          'ro.product.name' : 'product-name',
-          'ro.build.thumbprint' : 'build-thumbprint',
-          'ro.build.bar' : 'build-bar',
-      },
-      'vendor.build.prop' : {
-          'ro.vendor.build.fingerprint' : 'vendor-build-fingerprint',
-      },
-      'property1' : 'value1',
-      'property2' : 4096,
-      'oem_fingerprint_properties' : 'ro.product.device ro.product.brand',
-  }
-
-  TEST_OEM_DICTS = [
-      {
-          'ro.product.brand' : 'brand1',
-          'ro.product.device' : 'device1',
-      },
-      {
-          'ro.product.brand' : 'brand2',
-          'ro.product.device' : 'device2',
-      },
-      {
-          'ro.product.brand' : 'brand3',
-          'ro.product.device' : 'device3',
-      },
-  ]
-
-  def test_init(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    self.assertEqual('product-device', target_info.device)
-    self.assertEqual('build-fingerprint', target_info.fingerprint)
-    self.assertFalse(target_info.is_ab)
-    self.assertIsNone(target_info.oem_props)
-
-  def test_init_with_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    self.assertEqual('device1', target_info.device)
-    self.assertEqual('brand1/product-name/device1:build-thumbprint',
-                     target_info.fingerprint)
-
-    # Swap the order in oem_dicts, which would lead to different BuildInfo.
-    oem_dicts = copy.copy(self.TEST_OEM_DICTS)
-    oem_dicts[0], oem_dicts[2] = oem_dicts[2], oem_dicts[0]
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS, oem_dicts)
-    self.assertEqual('device3', target_info.device)
-    self.assertEqual('brand3/product-name/device3:build-thumbprint',
-                     target_info.fingerprint)
-
-    # Missing oem_dict should be rejected.
-    self.assertRaises(AssertionError, BuildInfo,
-                      self.TEST_INFO_DICT_USES_OEM_PROPS, None)
-
-  def test_init_badFingerprint(self):
-    info_dict = copy.deepcopy(self.TEST_INFO_DICT)
-    info_dict['build.prop']['ro.build.fingerprint'] = 'bad fingerprint'
-    self.assertRaises(ValueError, BuildInfo, info_dict, None)
-
-    info_dict['build.prop']['ro.build.fingerprint'] = 'bad\x80fingerprint'
-    self.assertRaises(ValueError, BuildInfo, info_dict, None)
-
-  def test___getitem__(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    self.assertEqual('value1', target_info['property1'])
-    self.assertEqual(4096, target_info['property2'])
-    self.assertEqual('build-foo', target_info['build.prop']['ro.build.foo'])
-
-  def test___getitem__with_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    self.assertEqual('value1', target_info['property1'])
-    self.assertEqual(4096, target_info['property2'])
-    self.assertRaises(KeyError,
-                      lambda: target_info['build.prop']['ro.build.foo'])
-
-  def test___setitem__(self):
-    target_info = BuildInfo(copy.deepcopy(self.TEST_INFO_DICT), None)
-    self.assertEqual('value1', target_info['property1'])
-    target_info['property1'] = 'value2'
-    self.assertEqual('value2', target_info['property1'])
-
-    self.assertEqual('build-foo', target_info['build.prop']['ro.build.foo'])
-    target_info['build.prop']['ro.build.foo'] = 'build-bar'
-    self.assertEqual('build-bar', target_info['build.prop']['ro.build.foo'])
-
-  def test_get(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    self.assertEqual('value1', target_info.get('property1'))
-    self.assertEqual(4096, target_info.get('property2'))
-    self.assertEqual(4096, target_info.get('property2', 1024))
-    self.assertEqual(1024, target_info.get('property-nonexistent', 1024))
-    self.assertEqual('build-foo', target_info.get('build.prop')['ro.build.foo'])
-
-  def test_get_with_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    self.assertEqual('value1', target_info.get('property1'))
-    self.assertEqual(4096, target_info.get('property2'))
-    self.assertEqual(4096, target_info.get('property2', 1024))
-    self.assertEqual(1024, target_info.get('property-nonexistent', 1024))
-    self.assertIsNone(target_info.get('build.prop').get('ro.build.foo'))
-    self.assertRaises(KeyError,
-                      lambda: target_info.get('build.prop')['ro.build.foo'])
-
-  def test_items(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    items = target_info.items()
-    self.assertIn(('property1', 'value1'), items)
-    self.assertIn(('property2', 4096), items)
-
-  def test_GetBuildProp(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    self.assertEqual('build-foo', target_info.GetBuildProp('ro.build.foo'))
-    self.assertRaises(common.ExternalError, target_info.GetBuildProp,
-                      'ro.build.nonexistent')
-
-  def test_GetBuildProp_with_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    self.assertEqual('build-bar', target_info.GetBuildProp('ro.build.bar'))
-    self.assertRaises(common.ExternalError, target_info.GetBuildProp,
-                      'ro.build.nonexistent')
-
-  def test_GetVendorBuildProp(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    self.assertEqual('vendor-build-fingerprint',
-                     target_info.GetVendorBuildProp(
-                         'ro.vendor.build.fingerprint'))
-    self.assertRaises(common.ExternalError, target_info.GetVendorBuildProp,
-                      'ro.build.nonexistent')
-
-  def test_GetVendorBuildProp_with_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    self.assertEqual('vendor-build-fingerprint',
-                     target_info.GetVendorBuildProp(
-                         'ro.vendor.build.fingerprint'))
-    self.assertRaises(common.ExternalError, target_info.GetVendorBuildProp,
-                      'ro.build.nonexistent')
-
-  def test_vendor_fingerprint(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    self.assertEqual('vendor-build-fingerprint',
-                     target_info.vendor_fingerprint)
-
-  def test_vendor_fingerprint_blacklisted(self):
-    target_info_dict = copy.deepcopy(self.TEST_INFO_DICT_USES_OEM_PROPS)
-    del target_info_dict['vendor.build.prop']['ro.vendor.build.fingerprint']
-    target_info = BuildInfo(target_info_dict, self.TEST_OEM_DICTS)
-    self.assertIsNone(target_info.vendor_fingerprint)
-
-  def test_vendor_fingerprint_without_vendor_build_prop(self):
-    target_info_dict = copy.deepcopy(self.TEST_INFO_DICT_USES_OEM_PROPS)
-    del target_info_dict['vendor.build.prop']
-    target_info = BuildInfo(target_info_dict, self.TEST_OEM_DICTS)
-    self.assertIsNone(target_info.vendor_fingerprint)
-
-  def test_WriteMountOemScript(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    script_writer = test_utils.MockScriptWriter()
-    target_info.WriteMountOemScript(script_writer)
-    self.assertEqual([('Mount', '/oem', None)], script_writer.lines)
-
-  def test_WriteDeviceAssertions(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    script_writer = test_utils.MockScriptWriter()
-    target_info.WriteDeviceAssertions(script_writer, False)
-    self.assertEqual([('AssertDevice', 'product-device')], script_writer.lines)
-
-  def test_WriteDeviceAssertions_with_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    script_writer = test_utils.MockScriptWriter()
-    target_info.WriteDeviceAssertions(script_writer, False)
-    self.assertEqual(
-        [
-            ('AssertOemProperty', 'ro.product.device',
-             ['device1', 'device2', 'device3'], False),
-            ('AssertOemProperty', 'ro.product.brand',
-             ['brand1', 'brand2', 'brand3'], False),
-        ],
-        script_writer.lines)
-
-  def test_WriteFingerprintAssertion_without_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    source_info_dict = copy.deepcopy(self.TEST_INFO_DICT)
-    source_info_dict['build.prop']['ro.build.fingerprint'] = (
-        'source-build-fingerprint')
-    source_info = BuildInfo(source_info_dict, None)
-
-    script_writer = test_utils.MockScriptWriter()
-    WriteFingerprintAssertion(script_writer, target_info, source_info)
-    self.assertEqual(
-        [('AssertSomeFingerprint', 'source-build-fingerprint',
-          'build-fingerprint')],
-        script_writer.lines)
-
-  def test_WriteFingerprintAssertion_with_source_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT, None)
-    source_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-
-    script_writer = test_utils.MockScriptWriter()
-    WriteFingerprintAssertion(script_writer, target_info, source_info)
-    self.assertEqual(
-        [('AssertFingerprintOrThumbprint', 'build-fingerprint',
-          'build-thumbprint')],
-        script_writer.lines)
-
-  def test_WriteFingerprintAssertion_with_target_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    source_info = BuildInfo(self.TEST_INFO_DICT, None)
-
-    script_writer = test_utils.MockScriptWriter()
-    WriteFingerprintAssertion(script_writer, target_info, source_info)
-    self.assertEqual(
-        [('AssertFingerprintOrThumbprint', 'build-fingerprint',
-          'build-thumbprint')],
-        script_writer.lines)
-
-  def test_WriteFingerprintAssertion_with_both_oem_props(self):
-    target_info = BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
-                            self.TEST_OEM_DICTS)
-    source_info_dict = copy.deepcopy(self.TEST_INFO_DICT_USES_OEM_PROPS)
-    source_info_dict['build.prop']['ro.build.thumbprint'] = (
-        'source-build-thumbprint')
-    source_info = BuildInfo(source_info_dict, self.TEST_OEM_DICTS)
-
-    script_writer = test_utils.MockScriptWriter()
-    WriteFingerprintAssertion(script_writer, target_info, source_info)
-    self.assertEqual(
-        [('AssertSomeThumbprint', 'build-thumbprint',
-          'source-build-thumbprint')],
-        script_writer.lines)
-
-
 class LoadOemDictsTest(test_utils.ReleaseToolsTestCase):
 
   def test_NoneDict(self):
@@ -387,6 +131,35 @@
       },
   }
 
+  TEST_INFO_DICT_USES_OEM_PROPS = {
+      'build.prop' : {
+          'ro.product.name' : 'product-name',
+          'ro.build.thumbprint' : 'build-thumbprint',
+          'ro.build.bar' : 'build-bar',
+      },
+      'vendor.build.prop' : {
+          'ro.vendor.build.fingerprint' : 'vendor-build-fingerprint',
+      },
+      'property1' : 'value1',
+      'property2' : 4096,
+      'oem_fingerprint_properties' : 'ro.product.device ro.product.brand',
+  }
+
+  TEST_OEM_DICTS = [
+      {
+          'ro.product.brand' : 'brand1',
+          'ro.product.device' : 'device1',
+      },
+      {
+          'ro.product.brand' : 'brand2',
+          'ro.product.device' : 'device2',
+      },
+      {
+          'ro.product.brand' : 'brand3',
+          'ro.product.device' : 'device3',
+      },
+  ]
+
   def setUp(self):
     self.testdata_dir = test_utils.get_testdata_dir()
     self.assertTrue(os.path.exists(self.testdata_dir))
@@ -408,7 +181,7 @@
   def test_GetPackageMetadata_abOta_full(self):
     target_info_dict = copy.deepcopy(self.TEST_TARGET_INFO_DICT)
     target_info_dict['ab_update'] = 'true'
-    target_info = BuildInfo(target_info_dict, None)
+    target_info = common.BuildInfo(target_info_dict, None)
     metadata = GetPackageMetadata(target_info)
     self.assertDictEqual(
         {
@@ -426,8 +199,8 @@
   def test_GetPackageMetadata_abOta_incremental(self):
     target_info_dict = copy.deepcopy(self.TEST_TARGET_INFO_DICT)
     target_info_dict['ab_update'] = 'true'
-    target_info = BuildInfo(target_info_dict, None)
-    source_info = BuildInfo(self.TEST_SOURCE_INFO_DICT, None)
+    target_info = common.BuildInfo(target_info_dict, None)
+    source_info = common.BuildInfo(self.TEST_SOURCE_INFO_DICT, None)
     common.OPTIONS.incremental_source = ''
     metadata = GetPackageMetadata(target_info, source_info)
     self.assertDictEqual(
@@ -446,7 +219,7 @@
         metadata)
 
   def test_GetPackageMetadata_nonAbOta_full(self):
-    target_info = BuildInfo(self.TEST_TARGET_INFO_DICT, None)
+    target_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
     metadata = GetPackageMetadata(target_info)
     self.assertDictEqual(
         {
@@ -461,8 +234,8 @@
         metadata)
 
   def test_GetPackageMetadata_nonAbOta_incremental(self):
-    target_info = BuildInfo(self.TEST_TARGET_INFO_DICT, None)
-    source_info = BuildInfo(self.TEST_SOURCE_INFO_DICT, None)
+    target_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
+    source_info = common.BuildInfo(self.TEST_SOURCE_INFO_DICT, None)
     common.OPTIONS.incremental_source = ''
     metadata = GetPackageMetadata(target_info, source_info)
     self.assertDictEqual(
@@ -480,7 +253,7 @@
         metadata)
 
   def test_GetPackageMetadata_wipe(self):
-    target_info = BuildInfo(self.TEST_TARGET_INFO_DICT, None)
+    target_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
     common.OPTIONS.wipe_user_data = True
     metadata = GetPackageMetadata(target_info)
     self.assertDictEqual(
@@ -497,7 +270,7 @@
         metadata)
 
   def test_GetPackageMetadata_retrofitDynamicPartitions(self):
-    target_info = BuildInfo(self.TEST_TARGET_INFO_DICT, None)
+    target_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
     common.OPTIONS.retrofit_dynamic_partitions = True
     metadata = GetPackageMetadata(target_info)
     self.assertDictEqual(
@@ -526,8 +299,8 @@
     self._test_GetPackageMetadata_swapBuildTimestamps(
         target_info_dict, source_info_dict)
 
-    target_info = BuildInfo(target_info_dict, None)
-    source_info = BuildInfo(source_info_dict, None)
+    target_info = common.BuildInfo(target_info_dict, None)
+    source_info = common.BuildInfo(source_info_dict, None)
     common.OPTIONS.incremental_source = ''
     self.assertRaises(RuntimeError, GetPackageMetadata, target_info,
                       source_info)
@@ -538,8 +311,8 @@
     self._test_GetPackageMetadata_swapBuildTimestamps(
         target_info_dict, source_info_dict)
 
-    target_info = BuildInfo(target_info_dict, None)
-    source_info = BuildInfo(source_info_dict, None)
+    target_info = common.BuildInfo(target_info_dict, None)
+    source_info = common.BuildInfo(source_info_dict, None)
     common.OPTIONS.incremental_source = ''
     common.OPTIONS.downgrade = True
     common.OPTIONS.wipe_user_data = True
@@ -752,6 +525,59 @@
     FinalizeMetadata(metadata, zip_file, output_file, needed_property_files)
     self.assertIn('ota-test-property-files', metadata)
 
+  def test_WriteFingerprintAssertion_without_oem_props(self):
+    target_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
+    source_info_dict = copy.deepcopy(self.TEST_TARGET_INFO_DICT)
+    source_info_dict['build.prop']['ro.build.fingerprint'] = (
+        'source-build-fingerprint')
+    source_info = common.BuildInfo(source_info_dict, None)
+
+    script_writer = test_utils.MockScriptWriter()
+    WriteFingerprintAssertion(script_writer, target_info, source_info)
+    self.assertEqual(
+        [('AssertSomeFingerprint', 'source-build-fingerprint',
+          'build-fingerprint-target')],
+        script_writer.lines)
+
+  def test_WriteFingerprintAssertion_with_source_oem_props(self):
+    target_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
+    source_info = common.BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
+                                   self.TEST_OEM_DICTS)
+
+    script_writer = test_utils.MockScriptWriter()
+    WriteFingerprintAssertion(script_writer, target_info, source_info)
+    self.assertEqual(
+        [('AssertFingerprintOrThumbprint', 'build-fingerprint-target',
+          'build-thumbprint')],
+        script_writer.lines)
+
+  def test_WriteFingerprintAssertion_with_target_oem_props(self):
+    target_info = common.BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
+                                   self.TEST_OEM_DICTS)
+    source_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
+
+    script_writer = test_utils.MockScriptWriter()
+    WriteFingerprintAssertion(script_writer, target_info, source_info)
+    self.assertEqual(
+        [('AssertFingerprintOrThumbprint', 'build-fingerprint-target',
+          'build-thumbprint')],
+        script_writer.lines)
+
+  def test_WriteFingerprintAssertion_with_both_oem_props(self):
+    target_info = common.BuildInfo(self.TEST_INFO_DICT_USES_OEM_PROPS,
+                                   self.TEST_OEM_DICTS)
+    source_info_dict = copy.deepcopy(self.TEST_INFO_DICT_USES_OEM_PROPS)
+    source_info_dict['build.prop']['ro.build.thumbprint'] = (
+        'source-build-thumbprint')
+    source_info = common.BuildInfo(source_info_dict, self.TEST_OEM_DICTS)
+
+    script_writer = test_utils.MockScriptWriter()
+    WriteFingerprintAssertion(script_writer, target_info, source_info)
+    self.assertEqual(
+        [('AssertSomeThumbprint', 'build-thumbprint',
+          'source-build-thumbprint')],
+        script_writer.lines)
+
 
 class TestPropertyFiles(PropertyFiles):
   """A class that extends PropertyFiles for testing purpose."""